Home / 42,545.43-63,813.29-11,383.11

Finding the Fourth Proportional to 42,545.43, 63,813.29 and 11,383.11

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Solution

The fourth proportional to 42,545.43, 63,813.29 and 11,383.11 is: 17,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,545.43 : 63,813.29 = 11,383.11 : x
  2. Step 2: Convert to fraction form
    42,545.43/63,813.29 = 11,383.11/x
  3. Step 3: Cross multiply
    42,545.43x = 63,813.29 × 11,383.11
  4. Step 4: Simplify right side
    42,545.43x = 726,393,642.62
  5. Step 5: Solve for x
    x = 726,393,642.62/42,545.43
  6. Step 6: Final answer
    x = 17,073.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.